18/01/2012 21:18:43.796 Xcode: [MT] DVTAssertions: ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilderCocoaTouch/IDEInterfaceBuilderCocoaTouch-933/IBPlugin/Utilities/IBObjectMarshalling.m:499
Details:  Interface Builder encountered an error communicating with the iOS Simulator. If you choose to file a crash report or radar for this issue, please check Console.app for crash reports for "Interface Builder Cocoa Touch Tool" and include their content in your crash report.

Failed to determine the value for systemColors of UIColor.

Exception name: NSInvalidArgumentException
Exception reason: -[__NSCFDictionary setObject:forKey:]: attempt to insert nil value (key: IBCocoaTouchFramework)
Exception backtrace:
(null)
Exception info:(null)


Object:   <IBAssertionShim: 0x402276060>
Method:   -reportMarshallingFailure:
Thread:   <NSThread: 0x40010a260>{name = (null), num = 1}
Hints:   None
18/01/2012 21:18:43.845 Xcode: [MT] DVTAssertions:
Backtrace:
  0  0x00000001056ca366 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:messageFormat:arguments:] (in IDEKit)
  1  0x0000000104d461a4 _DVTAssertionFailureHandler (in DVTFoundation)
  2  0x0000000108a9ce20 (in IDEInterfaceBuilderCocoaTouchIntegration)
  3  0x0000000108a6aa61 IBAskClassInTargetRuntimeForValueForKeyPathUsingResultMarshallerWithContext (in IDEInterfaceBuilderCocoaTouchIntegration)
  4  0x0000000108a6a49d (in IDEInterfaceBuilderCocoaTouchIntegration)
  5  0x0000000108a6a15d (in IDEInterfaceBuilderCocoaTouchIntegration)
  6  0x0000000107dc159a -[IBTargetRuntime installColorListIfNeeded] (in IDEInterfaceBuilderKit)
  7  0x0000000108a940f9 (in IDEInterfaceBuilderCocoaTouchIntegration)
  8  0x0000000108a940a2 (in IDEInterfaceBuilderCocoaTouchIntegration)
  9  0x0000000107dfa9a6 -[IBAbstractDocumentEditor viewDidInstall] (in IDEInterfaceBuilderKit)
 10  0x0000000104ef898e -[DVTControllerContentView _viewDidInstall] (in DVTKit)
 11  0x0000000104ef83fd -[DVTControllerContentView viewDidMoveToWindow] (in DVTKit)
 12  0x00007fff91f7f153 -[NSView _setWindow:] (in AppKit)
 13  0x00007fff91f7d3e2 -[NSView addSubview:] (in AppKit)
 14  0x00000001087515b4 -[NSView(IBAppKitViewIntegration) ibSwizzledNSViewDebug_addSubview:] (in IDEInterfaceBuilderCocoaIntegration)
 15  0x00007fff92015e44 -[NSView setSubviews:] (in AppKit)
 16  0x0000000104efe980 -[DVTBorderedView setContentView:] (in DVTKit)
 17  0x00000001055ef710 -[IDEEditorContext _setEditorView] (in IDEKit)
 18  0x00000001055fa59a -[IDEEditorContext setEditor:] (in IDEKit)
 19  0x00007fff8b36bd1a _NSSetObjectValueAndNotify (in Foundation)
 20  0x00000001055f9b9c __66-[IDEEditorContext _openNavigableItem:documentExtension:document:]_block_invoke_0 (in IDEKit)
 21  0x00000001055f9764 -[IDEEditorContext _performBlockInsideReentrantGuard:] (in IDEKit)
 22  0x00000001055f95b3 -[IDEEditorContext _openNavigableItem:documentExtension:document:] (in IDEKit)
 23  0x00000001056aa42c -[IDEEditorContext _openNavigableItem:withContentsOfURL:] (in IDEKit)
 24  0x00000001056ac0d6 -[IDEEditorContext _notifyDelegateAndOpenNavigableItem:withContentsURL:documentExtensionIdentifier:locationToSelect:annotationRepresentedObject:stateDictionary:annotationWantsIndicatorAnimation:exploreAnnotationRepresentedObject:] (in IDEKit)
 25  0x00000001056251ab -[IDEEditorContext _notifyDelegateAndOpenEditorOpenSpecifier:updateHistory:] (in IDEKit)
 26  0x0000000105624f19 -[IDEEditorContext _openEditorOpenSpecifier:updateHistory:] (in IDEKit)
 27  0x0000000105624c38 -[IDEEditorContext openEditorOpenSpecifier:] (in IDEKit)
 28  0x0000000105624c19 -[IDEEditorModeViewController openEditorOpenSpecifier:editorContext:] (in IDEKit)
 29  0x0000000105624bd6 -[IDEEditorArea _openEditorOpenSpecifier:editorContext:takeFocus:] (in IDEKit)
 30  0x00000001056bfeb7 __108+[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:]_block_invoke_0 (in IDEKit)
 31  0x0000000105624904 +[IDEEditorCoordinator _doOpenWithWorkspaceTabController:editorContext:target:allowFallback:documentURL:usingBlock:] (in IDEKit)
 32  0x00000001056bfdd5 +[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:] (in IDEKit)
 33  0x0000000105624353 -[_IDEOpenRequest _runIfNecessary] (in IDEKit)
 34  0x00007fff8b30e25a __NSFireDelayedPerform (in Foundation)
 35  0x00007fff8e8c6f84 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ (in CoreFoundation)
 36  0x00007fff8e8c6ad6 __CFRunLoopDoTimer (in CoreFoundation)
 37  0x00007fff8e8a7471 __CFRunLoopRun (in CoreFoundation)
 38  0x00007fff8e8a6ae6 CFRunLoopRunSpecific (in CoreFoundation)
 39  0x00007fff957473d3 RunCurrentEventLoopInMode (in HIToolbox)
 40  0x00007fff9574e63d ReceiveNextEventCommon (in HIToolbox)
 41  0x00007fff9574e4ca BlockUntilNextEventMatchingListInMode (in HIToolbox)
 42  0x00007fff91e6b3f1 _DPSNextEvent (in AppKit)
 43  0x00007fff91e6acf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in AppKit)
 44  0x00007fff91e6762d -[NSApplication run] (in AppKit)
 45  0x00007fff920e680c NSApplicationMain (in AppKit)
 46  0x0000000104ccaeec (in Xcode)
 47  0x0000000000000002
18/01/2012 21:18:44.875 Xcode: [MT] DVTAssertions: UNCAUGHT EXCEPTION (NSInvalidArgumentException): -[__NSCFDictionary setObject:forKey:]: attempt to insert nil value (key: IBCocoaTouchFramework)
UserInfo: (null)
Hints: None
18/01/2012 21:18:44.923 Xcode: [MT] DVTAssertions:
Backtrace:
  0  0x00007fff8e91226a __exceptionPreprocess (in CoreFoundation)
  1  0x00007fff8b997d5e objc_exception_throw (in libobjc.A.dylib)
  2  0x00007fff8e9120ba +[NSException raise:format:arguments:] (in CoreFoundation)
  3  0x00007fff8e912044 +[NSException raise:format:] (in CoreFoundation)
  4  0x00007fff8e8cf29b -[__NSCFDictionary setObject:forKey:] (in CoreFoundation)
  5  0x0000000108a6ab8a (in IDEInterfaceBuilderCocoaTouchIntegration)
  6  0x0000000108a6a9a9 IBAskClassInTargetRuntimeForValueForKeyPathUsingResultMarshallerWithContext (in IDEInterfaceBuilderCocoaTouchIntegration)
  7  0x0000000108a6a49d (in IDEInterfaceBuilderCocoaTouchIntegration)
  8  0x0000000108a6a15d (in IDEInterfaceBuilderCocoaTouchIntegration)
  9  0x0000000107dc159a -[IBTargetRuntime installColorListIfNeeded] (in IDEInterfaceBuilderKit)
 10  0x0000000108a940f9 (in IDEInterfaceBuilderCocoaTouchIntegration)
 11  0x0000000108a940a2 (in IDEInterfaceBuilderCocoaTouchIntegration)
 12  0x0000000107dfa9a6 -[IBAbstractDocumentEditor viewDidInstall] (in IDEInterfaceBuilderKit)
 13  0x0000000104ef898e -[DVTControllerContentView _viewDidInstall] (in DVTKit)
 14  0x0000000104ef83fd -[DVTControllerContentView viewDidMoveToWindow] (in DVTKit)
 15  0x00007fff91f7f153 -[NSView _setWindow:] (in AppKit)
 16  0x00007fff91f7d3e2 -[NSView addSubview:] (in AppKit)
 17  0x00000001087515b4 -[NSView(IBAppKitViewIntegration) ibSwizzledNSViewDebug_addSubview:] (in IDEInterfaceBuilderCocoaIntegration)
 18  0x00007fff92015e44 -[NSView setSubviews:] (in AppKit)
 19  0x0000000104efe980 -[DVTBorderedView setContentView:] (in DVTKit)
 20  0x00000001055ef710 -[IDEEditorContext _setEditorView] (in IDEKit)
 21  0x00000001055fa59a -[IDEEditorContext setEditor:] (in IDEKit)
 22  0x00007fff8b36bd1a _NSSetObjectValueAndNotify (in Foundation)
 23  0x00000001055f9b9c __66-[IDEEditorContext _openNavigableItem:documentExtension:document:]_block_invoke_0 (in IDEKit)
 24  0x00000001055f9764 -[IDEEditorContext _performBlockInsideReentrantGuard:] (in IDEKit)
 25  0x00000001055f95b3 -[IDEEditorContext _openNavigableItem:documentExtension:document:] (in IDEKit)
 26  0x00000001056aa42c -[IDEEditorContext _openNavigableItem:withContentsOfURL:] (in IDEKit)
 27  0x00000001056ac0d6 -[IDEEditorContext _notifyDelegateAndOpenNavigableItem:withContentsURL:documentExtensionIdentifier:locationToSelect:annotationRepresentedObject:stateDictionary:annotationWantsIndicatorAnimation:exploreAnnotationRepresentedObject:] (in IDEKit)
 28  0x00000001056251ab -[IDEEditorContext _notifyDelegateAndOpenEditorOpenSpecifier:updateHistory:] (in IDEKit)
 29  0x0000000105624f19 -[IDEEditorContext _openEditorOpenSpecifier:updateHistory:] (in IDEKit)
 30  0x0000000105624c38 -[IDEEditorContext openEditorOpenSpecifier:] (in IDEKit)
 31  0x0000000105624c19 -[IDEEditorModeViewController openEditorOpenSpecifier:editorContext:] (in IDEKit)
 32  0x0000000105624bd6 -[IDEEditorArea _openEditorOpenSpecifier:editorContext:takeFocus:] (in IDEKit)
 33  0x00000001056bfeb7 __108+[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:]_block_invoke_0 (in IDEKit)
 34  0x0000000105624904 +[IDEEditorCoordinator _doOpenWithWorkspaceTabController:editorContext:target:allowFallback:documentURL:usingBlock:] (in IDEKit)
 35  0x00000001056bfdd5 +[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:] (in IDEKit)
 36  0x0000000105624353 -[_IDEOpenRequest _runIfNecessary] (in IDEKit)
 37  0x00007fff8b30e25a __NSFireDelayedPerform (in Foundation)
 38  0x00007fff8e8c6f84 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ (in CoreFoundation)
 39  0x00007fff8e8c6ad6 __CFRunLoopDoTimer (in CoreFoundation)
 40  0x00007fff8e8a7471 __CFRunLoopRun (in CoreFoundation)
 41  0x00007fff8e8a6ae6 CFRunLoopRunSpecific (in CoreFoundation)
 42  0x00007fff957473d3 RunCurrentEventLoopInMode (in HIToolbox)
 43  0x00007fff9574e63d ReceiveNextEventCommon (in HIToolbox)
 44  0x00007fff9574e4ca BlockUntilNextEventMatchingListInMode (in HIToolbox)
 45  0x00007fff91e6b3f1 _DPSNextEvent (in AppKit)
 46  0x00007fff91e6acf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in AppKit)
 47  0x00007fff91e6762d -[NSApplication run] (in AppKit)
 48  0x00007fff920e680c NSApplicationMain (in AppKit)
 49  0x0000000104ccaeec (in Xcode)
 50  0x0000000000000002
18/01/2012 21:18:45.577 Xcode: [MT] DVTAssertions: ASSERTION FAILURE in /SourceCache/IDEKit/IDEKit-961/Framework/Classes/Workspace/IDEWorkspaceDocument.m:1300
Details:  stateDictionary should be an instance inheriting from NSDictionary, but it is nil
Object:   <IDEWorkspaceDocument: 0x40091a640>
Method:   -_cacheDefaultEditorStateDictionary:forDocumentExtensionIdentifier:forDocumentURL:
Thread:   <NSThread: 0x40010a260>{name = (null), num = 1}
Hints:   None
18/01/2012 21:18:45.616 Xcode: [MT] DVTAssertions:
Backtrace:
  0  0x00000001056ca366 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:messageFormat:arguments:] (in IDEKit)
  1  0x0000000104d461a4 _DVTAssertionFailureHandler (in DVTFoundation)
  2  0x000000010560af4d -[IDEWorkspaceDocument _cacheDefaultEditorStateDictionary:forDocumentExtensionIdentifier:forDocumentURL:] (in IDEKit)
  3  0x00000001055fa221 -[IDEEditorContext _writeCurrentStateToLastUsedDictionaryIfNeeded] (in IDEKit)
  4  0x00007fff8b34907a -[__NSObserver _doit:] (in Foundation)
  5  0x00007fff8b348f4d __-[NSNotificationCenter addObserverForName:object:queue:usingBlock:]_block_invoke_1 (in Foundation)
  6  0x00007fff8e8bae0a _CFXNotificationPost (in CoreFoundation)
  7  0x00007fff8b305097 -[NSNotificationCenter postNotificationName:object:userInfo:] (in Foundation)
  8  0x0000000105608b04 -[IDEWorkspaceDocument writeStateData] (in IDEKit)
  9  0x0000000104f09028 -[DVTDelayedValidator doValidation:] (in DVTKit)
 10  0x00007fff8b30e25a __NSFireDelayedPerform (in Foundation)
 11  0x00007fff8e8c6f84 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ (in CoreFoundation)
 12  0x00007fff8e8c6ad6 __CFRunLoopDoTimer (in CoreFoundation)
 13  0x00007fff8e8a7471 __CFRunLoopRun (in CoreFoundation)
 14  0x00007fff8e8a6ae6 CFRunLoopRunSpecific (in CoreFoundation)
 15  0x00007fff957473d3 RunCurrentEventLoopInMode (in HIToolbox)
 16  0x00007fff9574e58f ReceiveNextEventCommon (in HIToolbox)
 17  0x00007fff9574e4ca BlockUntilNextEventMatchingListInMode (in HIToolbox)
 18  0x00007fff91e6b3f1 _DPSNextEvent (in AppKit)
 19  0x00007fff91e6acf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in AppKit)
 20  0x00007fff91e6762d -[NSApplication run] (in AppKit)
 21  0x00007fff920e680c NSApplicationMain (in AppKit)
 22  0x0000000104ccaeec (in Xcode)
 23  0x0000000000000002
18/01/2012 21:18:46.350 Xcode: [MT] DVTAssertions: UNCAUGHT EXCEPTION (NSInvalidArgumentException): -[__NSCFDictionary setObject:forKey:]: attempt to insert nil value (key: file://localhost/Users/ollie/Desktop/asdasd/asdasd/en.lproj/MainStoryboard.storyboard)
UserInfo: (null)
Hints: None
18/01/2012 21:18:46.391 Xcode: [MT] DVTAssertions:
Backtrace:
  0  0x00007fff8e91226a __exceptionPreprocess (in CoreFoundation)
  1  0x00007fff8b997d5e objc_exception_throw (in libobjc.A.dylib)
  2  0x00007fff8e9120ba +[NSException raise:format:arguments:] (in CoreFoundation)
  3  0x00007fff8e912044 +[NSException raise:format:] (in CoreFoundation)
  4  0x00007fff8e8cf29b -[__NSCFDictionary setObject:forKey:] (in CoreFoundation)
  5  0x000000010560b249 -[IDEWorkspaceDocument _cacheDefaultEditorStateDictionary:forDocumentExtensionIdentifier:forDocumentURL:] (in IDEKit)
  6  0x00000001055fa221 -[IDEEditorContext _writeCurrentStateToLastUsedDictionaryIfNeeded] (in IDEKit)
  7  0x00007fff8b34907a -[__NSObserver _doit:] (in Foundation)
  8  0x00007fff8b348f4d __-[NSNotificationCenter addObserverForName:object:queue:usingBlock:]_block_invoke_1 (in Foundation)
  9  0x00007fff8e8bae0a _CFXNotificationPost (in CoreFoundation)
 10  0x00007fff8b305097 -[NSNotificationCenter postNotificationName:object:userInfo:] (in Foundation)
 11  0x0000000105608b04 -[IDEWorkspaceDocument writeStateData] (in IDEKit)
 12  0x0000000104f09028 -[DVTDelayedValidator doValidation:] (in DVTKit)
 13  0x00007fff8b30e25a __NSFireDelayedPerform (in Foundation)
 14  0x00007fff8e8c6f84 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ (in CoreFoundation)
 15  0x00007fff8e8c6ad6 __CFRunLoopDoTimer (in CoreFoundation)
 16  0x00007fff8e8a7471 __CFRunLoopRun (in CoreFoundation)
 17  0x00007fff8e8a6ae6 CFRunLoopRunSpecific (in CoreFoundation)
 18  0x00007fff957473d3 RunCurrentEventLoopInMode (in HIToolbox)
 19  0x00007fff9574e58f ReceiveNextEventCommon (in HIToolbox)
 20  0x00007fff9574e4ca BlockUntilNextEventMatchingListInMode (in HIToolbox)
 21  0x00007fff91e6b3f1 _DPSNextEvent (in AppKit)
 22  0x00007fff91e6acf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in AppKit)
 23  0x00007fff91e6762d -[NSApplication run] (in AppKit)
 24  0x00007fff920e680c NSApplicationMain (in AppKit)
 25  0x0000000104ccaeec (in Xcode)
 26  0x0000000000000002
18/01/2012 21:18:48.800 Xcode: [MT] DVTAssertions: Warning in /SourceCache/IDEInterfaceBuilder/IDEInterfaceBuilder-1938/Framework/Editors/DocumentEditor/IBAbstractDocumentEditor.m:669
Details:  Interface builder document told to select instance of DVTDocumentLocation
Object:   <IBStoryboardDocumentEditor: 0x4020a53a0>
Method:   -warnAboutBogusDocumentLocations:
Thread:   <NSThread: 0x40010a260>{name = (null), num = 1}
Please file a bug at http://bugreport.apple.com with this warning message and any useful information you can provide.
18/01/2012 21:18:48.801 Xcode: [MT] DVTAssertions: ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilder/IDEInterfaceBuilder-1938/Framework/Editors/DocumentEditor/IBAbstractDocumentEditor.m:529
Details:  ([self canvasViewController]) should not be nil.
Object:   <IBStoryboardDocumentEditor: 0x4020a53a0>
Method:   -selectionProviders
Thread:   <NSThread: 0x40010a260>{name = (null), num = 1}
Hints:   None
18/01/2012 21:18:48.841 Xcode: [MT] DVTAssertions:
Backtrace:
  0  0x00000001056ca366 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:messageFormat:arguments:] (in IDEKit)
  1  0x0000000104d461a4 _DVTAssertionFailureHandler (in DVTFoundation)
  2  0x0000000107dfd10e -[IBAbstractDocumentEditor selectionProviders] (in IDEInterfaceBuilderKit)
  3  0x0000000107dfdf41 -[IBAbstractDocumentEditor selectMembersInCanvasView:] (in IDEInterfaceBuilderKit)
  4  0x0000000108b0b487 (in IDEInterfaceBuilderCocoaTouchIntegration)
  5  0x00000001056ac498 __230-[IDEEditorContext _notifyDelegateAndOpenNavigableItem:withContentsURL:documentExtensionIdentifier:locationToSelect:annotationRepresentedObject:stateDictionary:annotationWantsIndicatorAnimation:exploreAnnotationRepresentedObject:]_block_invoke_0925 (in IDEKit)
  6  0x00000001056ac0f1 -[IDEEditorContext _notifyDelegateAndOpenNavigableItem:withContentsURL:documentExtensionIdentifier:locationToSelect:annotationRepresentedObject:stateDictionary:annotationWantsIndicatorAnimation:exploreAnnotationRepresentedObject:] (in IDEKit)
  7  0x00000001056251ab -[IDEEditorContext _notifyDelegateAndOpenEditorOpenSpecifier:updateHistory:] (in IDEKit)
  8  0x0000000105624f19 -[IDEEditorContext _openEditorOpenSpecifier:updateHistory:] (in IDEKit)
  9  0x0000000105624c38 -[IDEEditorContext openEditorOpenSpecifier:] (in IDEKit)
 10  0x0000000105624c19 -[IDEEditorModeViewController openEditorOpenSpecifier:editorContext:] (in IDEKit)
 11  0x0000000105624bd6 -[IDEEditorArea _openEditorOpenSpecifier:editorContext:takeFocus:] (in IDEKit)
 12  0x00000001056bfeb7 __108+[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:]_block_invoke_0 (in IDEKit)
 13  0x0000000105624904 +[IDEEditorCoordinator _doOpenWithWorkspaceTabController:editorContext:target:allowFallback:documentURL:usingBlock:] (in IDEKit)
 14  0x00000001056bfdd5 +[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:] (in IDEKit)
 15  0x0000000105624353 -[_IDEOpenRequest _runIfNecessary] (in IDEKit)
 16  0x00007fff8b30e25a __NSFireDelayedPerform (in Foundation)
 17  0x00007fff8e8c6f84 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ (in CoreFoundation)
 18  0x00007fff8e8c6ad6 __CFRunLoopDoTimer (in CoreFoundation)
 19  0x00007fff8e8a7471 __CFRunLoopRun (in CoreFoundation)
 20  0x00007fff8e8a6ae6 CFRunLoopRunSpecific (in CoreFoundation)
 21  0x00007fff957473d3 RunCurrentEventLoopInMode (in HIToolbox)
 22  0x00007fff9574e63d ReceiveNextEventCommon (in HIToolbox)
 23  0x00007fff9574e4ca BlockUntilNextEventMatchingListInMode (in HIToolbox)
 24  0x00007fff91e6b3f1 _DPSNextEvent (in AppKit)
 25  0x00007fff91e6acf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in AppKit)
 26  0x00007fff91e6762d -[NSApplication run] (in AppKit)
 27  0x00007fff920e680c NSApplicationMain (in AppKit)
 28  0x0000000104ccaeec (in Xcode)
 29  0x0000000000000002
18/01/2012 21:18:53.884 Xcode: [MT] DVTAssertions: ASSERTION FAILURE in /SourceCache/IDEInterfaceBuilder/IDEInterfaceBuilder-1938/Framework/Editors/DocumentEditor/IBAbstractDocumentEditor.m:530
Details:  ([self structureViewController]) should not be nil.
Object:   <IBStoryboardDocumentEditor: 0x4020a53a0>
Method:   -selectionProviders
Thread:   <NSThread: 0x40010a260>{name = (null), num = 1}
Hints:   None
18/01/2012 21:18:53.930 Xcode: [MT] DVTAssertions:
Backtrace:
  0  0x00000001056ca366 -[IDEAssertionHandler handleFailureInMethod:object:fileName:lineNumber:messageFormat:arguments:] (in IDEKit)
  1  0x0000000104d461a4 _DVTAssertionFailureHandler (in DVTFoundation)
  2  0x0000000107dfd171 -[IBAbstractDocumentEditor selectionProviders] (in IDEInterfaceBuilderKit)
  3  0x0000000107dfdf41 -[IBAbstractDocumentEditor selectMembersInCanvasView:] (in IDEInterfaceBuilderKit)
  4  0x0000000108b0b487 (in IDEInterfaceBuilderCocoaTouchIntegration)
  5  0x00000001056ac498 __230-[IDEEditorContext _notifyDelegateAndOpenNavigableItem:withContentsURL:documentExtensionIdentifier:locationToSelect:annotationRepresentedObject:stateDictionary:annotationWantsIndicatorAnimation:exploreAnnotationRepresentedObject:]_block_invoke_0925 (in IDEKit)
  6  0x00000001056ac0f1 -[IDEEditorContext _notifyDelegateAndOpenNavigableItem:withContentsURL:documentExtensionIdentifier:locationToSelect:annotationRepresentedObject:stateDictionary:annotationWantsIndicatorAnimation:exploreAnnotationRepresentedObject:] (in IDEKit)
  7  0x00000001056251ab -[IDEEditorContext _notifyDelegateAndOpenEditorOpenSpecifier:updateHistory:] (in IDEKit)
  8  0x0000000105624f19 -[IDEEditorContext _openEditorOpenSpecifier:updateHistory:] (in IDEKit)
  9  0x0000000105624c38 -[IDEEditorContext openEditorOpenSpecifier:] (in IDEKit)
 10  0x0000000105624c19 -[IDEEditorModeViewController openEditorOpenSpecifier:editorContext:] (in IDEKit)
 11  0x0000000105624bd6 -[IDEEditorArea _openEditorOpenSpecifier:editorContext:takeFocus:] (in IDEKit)
 12  0x00000001056bfeb7 __108+[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:]_block_invoke_0 (in IDEKit)
 13  0x0000000105624904 +[IDEEditorCoordinator _doOpenWithWorkspaceTabController:editorContext:target:allowFallback:documentURL:usingBlock:] (in IDEKit)
 14  0x00000001056bfdd5 +[IDEEditorCoordinator _doOpenEditorOpenSpecifier:forWorkspaceTabController:editorContext:target:takeFocus:] (in IDEKit)
 15  0x0000000105624353 -[_IDEOpenRequest _runIfNecessary] (in IDEKit)
 16  0x00007fff8b30e25a __NSFireDelayedPerform (in Foundation)
 17  0x00007fff8e8c6f84 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ (in CoreFoundation)
 18  0x00007fff8e8c6ad6 __CFRunLoopDoTimer (in CoreFoundation)
 19  0x00007fff8e8a7471 __CFRunLoopRun (in CoreFoundation)
 20  0x00007fff8e8a6ae6 CFRunLoopRunSpecific (in CoreFoundation)
 21  0x00007fff957473d3 RunCurrentEventLoopInMode (in HIToolbox)
 22  0x00007fff9574e63d ReceiveNextEventCommon (in HIToolbox)
 23  0x00007fff9574e4ca BlockUntilNextEventMatchingListInMode (in HIToolbox)
 24  0x00007fff91e6b3f1 _DPSNextEvent (in AppKit)
 25  0x00007fff91e6acf5 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] (in AppKit)
 26  0x00007fff91e6762d -[NSApplication run] (in AppKit)
 27  0x00007fff920e680c NSApplicationMain (in AppKit)
 28  0x0000000104ccaeec (in Xcode)
 29  0x0000000000000002